转g 10-epsps基因耐除草剂大豆ZUTS-33是由浙江大学研发的耐除草剂大豆品系,目前已进入生产性试验阶段。到目前为止尚无文献报道对该转基因新品种的检测方法,因此亟需建立精准的定量检测方法为农业转基因生物安全管理提供技术支持。根...转g 10-epsps基因耐除草剂大豆ZUTS-33是由浙江大学研发的耐除草剂大豆品系,目前已进入生产性试验阶段。到目前为止尚无文献报道对该转基因新品种的检测方法,因此亟需建立精准的定量检测方法为农业转基因生物安全管理提供技术支持。根据耐除草剂大豆ZUTS-33品系外源基因插入位点特异序列设计引物和TaqMan探针,利用优化的实时荧光定量PCR检测方法评价该引物对和探针的特异性、准确度、精确度和重复性,并确定此检测方法的检测极限(limit of detection,LOD)和定量极限(limit of quantity,LOQ)。实验结果显示,研究所建立的转基因大豆ZUTS-33转化体特异性实时荧光定量PCR检测方法具有高度的品系鉴定特异性,准确度、精确度均符合要求,重复性较好,且检测方法的LOD达到20拷贝,LOQ达到40拷贝。研究结果为转g 10-epsps基因耐除草剂大豆ZUTS-33的身份识别和检测监测提供了有效的方法。展开更多
目的系统评价白细胞介素-10(interleukin-10,IL-10)基因-1082A/G多态性与糖尿病肾病(diabetic nephropathy,DN)易感性之间的关系。方法检索建库以来至2019年6月间与IL-10基因1082A/G及DN发病风险相关的病例对照研究,使用纽卡斯尔渥太华(...目的系统评价白细胞介素-10(interleukin-10,IL-10)基因-1082A/G多态性与糖尿病肾病(diabetic nephropathy,DN)易感性之间的关系。方法检索建库以来至2019年6月间与IL-10基因1082A/G及DN发病风险相关的病例对照研究,使用纽卡斯尔渥太华(Newcastle-Ottawa Scale,NOS)标准对纳入文献进行质量评价。采用STATA12.0软件进行统计分析,选择发病风险比值比(odds ratio,OR)及95%置信区间(confidence interval,CI)为效应指标。结果本研究共纳入10项研究,包含DN患者1759例,单纯糖尿病(diabetes mellitus,DM)患者1525例,健康对照(healty control,HC)者2209例。DN组与单纯DM组比较,IL-10基因-1082A/G多态性在各遗传模型上差异均无统计学意义(P>0.05)。DN组与健康人群比较,IL-10基因-1082A/G多态性在纯合子模型下与DN呈明显相关性(GG vs AA:OR=0.577,P<0.05)。将地区进行亚组分析发现,亚洲人群中IL-10基因-1082A/G多态性在除杂合子模型外的其他遗传模型中差异均有统计学意义(G vs A:OR=0.589,P=0.031;GG vs AA:OR=0.349,P=0.000;GG vs GA+AA:OR=0.588,P=0.015;GG+GA vs AA:OR=0.629,P=0.000)。结论IL-10基因-1082A/G多态性与DN发病相关,亚洲人群中G等位基因、GG基因型是DN发病的保护因素。展开更多
Group A rotavirus are the most frequently detected viral agent associated with the acute diarrhea in calves.In order to investigate the situation of rotavirus strains circulating in diary farms,a total of 117 fecal sp...Group A rotavirus are the most frequently detected viral agent associated with the acute diarrhea in calves.In order to investigate the situation of rotavirus strains circulating in diary farms,a total of 117 fecal specimens were collected from diarrhea calves under 4 weeks-age on Yinluo diary farm in Daqing region in China from 2008 to 2009.Ten specimens were detected to be positive by a Rotavirus Group A Diagnostic Kit,which confirmed that the rotavirus was important viral agent associated with diarrhea in this diary farm.Based on the new classification system,G10P[11] genotype was determined in rotavirus positive samples.Sequence and Phylogenetic analysis indicated DQ-75 strain was introduced into our country with imported bovine.展开更多
文摘转g 10-epsps基因耐除草剂大豆ZUTS-33是由浙江大学研发的耐除草剂大豆品系,目前已进入生产性试验阶段。到目前为止尚无文献报道对该转基因新品种的检测方法,因此亟需建立精准的定量检测方法为农业转基因生物安全管理提供技术支持。根据耐除草剂大豆ZUTS-33品系外源基因插入位点特异序列设计引物和TaqMan探针,利用优化的实时荧光定量PCR检测方法评价该引物对和探针的特异性、准确度、精确度和重复性,并确定此检测方法的检测极限(limit of detection,LOD)和定量极限(limit of quantity,LOQ)。实验结果显示,研究所建立的转基因大豆ZUTS-33转化体特异性实时荧光定量PCR检测方法具有高度的品系鉴定特异性,准确度、精确度均符合要求,重复性较好,且检测方法的LOD达到20拷贝,LOQ达到40拷贝。研究结果为转g 10-epsps基因耐除草剂大豆ZUTS-33的身份识别和检测监测提供了有效的方法。
文摘目的系统评价白细胞介素-10(interleukin-10,IL-10)基因-1082A/G多态性与糖尿病肾病(diabetic nephropathy,DN)易感性之间的关系。方法检索建库以来至2019年6月间与IL-10基因1082A/G及DN发病风险相关的病例对照研究,使用纽卡斯尔渥太华(Newcastle-Ottawa Scale,NOS)标准对纳入文献进行质量评价。采用STATA12.0软件进行统计分析,选择发病风险比值比(odds ratio,OR)及95%置信区间(confidence interval,CI)为效应指标。结果本研究共纳入10项研究,包含DN患者1759例,单纯糖尿病(diabetes mellitus,DM)患者1525例,健康对照(healty control,HC)者2209例。DN组与单纯DM组比较,IL-10基因-1082A/G多态性在各遗传模型上差异均无统计学意义(P>0.05)。DN组与健康人群比较,IL-10基因-1082A/G多态性在纯合子模型下与DN呈明显相关性(GG vs AA:OR=0.577,P<0.05)。将地区进行亚组分析发现,亚洲人群中IL-10基因-1082A/G多态性在除杂合子模型外的其他遗传模型中差异均有统计学意义(G vs A:OR=0.589,P=0.031;GG vs AA:OR=0.349,P=0.000;GG vs GA+AA:OR=0.588,P=0.015;GG+GA vs AA:OR=0.629,P=0.000)。结论IL-10基因-1082A/G多态性与DN发病相关,亚洲人群中G等位基因、GG基因型是DN发病的保护因素。
文摘Group A rotavirus are the most frequently detected viral agent associated with the acute diarrhea in calves.In order to investigate the situation of rotavirus strains circulating in diary farms,a total of 117 fecal specimens were collected from diarrhea calves under 4 weeks-age on Yinluo diary farm in Daqing region in China from 2008 to 2009.Ten specimens were detected to be positive by a Rotavirus Group A Diagnostic Kit,which confirmed that the rotavirus was important viral agent associated with diarrhea in this diary farm.Based on the new classification system,G10P[11] genotype was determined in rotavirus positive samples.Sequence and Phylogenetic analysis indicated DQ-75 strain was introduced into our country with imported bovine.
